<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>旋转地球</title>
		<style>
			body{
				margin-top: 100px;
				
				}
			.earth{
				width: 310px;
				height: 310px;
				border-radius: 200px;
			margin: 0 auto;
				
				background-image: url(img/earth.png);
				-webkit-animation: run 5s linear 0s infinite;
			}
			@-webkit-keyframes run{
				from{-webkit-transform: rotate(0deg);}
				to{-webkit-transform: rotate(360deg);}
			}
			.earth:hover{
				-webkit-animation-play-state:paused ;
			}
		</style>
	</head>
	<body>
		<div class="earth"></div>
	</body>
</html>
